<?php

/**
 * @file
 * Provides additional rules support for petreference fields.
 */

/**
 * Implementation of hook_rules_action_info().
 */
function petreference_rules_action_info() {
    $info = array();
    $info['petreference_rules_action_load'] = array(
        'label' => t('Load a referenced pet template'),
        'arguments' => array(
            'pet' => array(
                'type' => 'pet',
                'label' => t('Content containing the PET Reference field'),
            ),
        ),
        'new variables' => array(
            'referenced_pet' => array(
                'type' => 'pet',
                'label' => t('Referenced content'),
            ),
        ),
        'module' => 'CCK',
        'help' => t('Note that if the field has multiple values, only the first pet template will be loaded.'),
    );
    return $info;
}

function petreference_rules_action_load($node, $settings) {
    if ($pid = $node->{$settings['field']}[0]['pid']) {
        return array('referenced_pet' => pet_load(array('nid' => $nid)));
    }
}

function petreference_rules_action_load_form($settings, &$form) {
    $settings += array('field' => '');
    $options = content_rules_get_field_names_by_type('petreference');
    $form['settings']['field'] = array(
        '#type' => 'select',
        '#title' => t('Field'),
        '#default_value' => $settings['field'],
        '#options' => $options,
        '#required' => TRUE,
        '#disabled' => empty($options),
        '#description' => empty($options) ? t('There are no petreference fields defined.') : '',
    );
}
